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Front-Panel Operation
Using the Analyze Functions 3
3-13
To enter the B value:
7. Press the B soft key.
To select the digit to adjust, press either <-- or -->.
With the desired digit selected, press the soft key labeled -- to decrement the digit
or ++ to increment the character. The right most character is the multiplier. This
character can be set to p, n, µ, m, k, M, or G.
8. Press the ENTER soft key.
9. Press B to return to the MX+B menu.
10. Press the ENABLE soft key to start MX+B calculations.
ENABLE stays highlighted, and all displayed values are the measured value modified by
the formula MX+B.
Pressing ENABLE again disables MX+B, and ENABLE is no longer highlighted.
Using TrendPlot
TrendPlot provides a visual representation of the measured signal over time. About three-
quarters of the Meter’s display is used to plot the maximum and minimum readings
vertically, while the horizontal plane represents time. The vertical and horizontal axis’ are
not calibrated, and only represent relative time and amplitude depending on the input
signal.
Each plot mark is a one pixel-wide vertical line that represents the highest (top of mark)
and lowest (bottom of mark) reading the Meter has taken in the time since the previous
mark was made. The left-most plot mark represents the time since TrendPlot was started.
When all available plot points across the plot area are filled, the Meter compresses the
plot marks to one-half of the plot area. The compression process takes the highest and
lowest reading between every two plot marks, and makes a single plot mark representing
the highest and lowest readings of the two combined plot marks. Future plot marks added
to the end of the compressed display are now the Meter’s highest and lowest readings,
taken over a time period twice as long as the period before the compression.
If the amplitude of the measured value exceeds the positive or negative range of the
vertical axis, the Meter adjusts the vertical range to accommodate the range of the new
plot point. Previously laid down plot marks are adjusted down in size proportionally to
the new vertical axis.
The left section of the Meter’s display indicates the highest (maximum) and lowest
(minimum) reading taken since the start of a TrendPlot session. In addition, the length of
the TrendPlot session is displayed in hours, minutes, and seconds (hh:mm:ss).
To start a TrendPlot session:
1. Set up the Meter for the desired measurement by selecting the function and
connecting the signal to the Meter’s input.
Note
Setting the range function to manual will cause the Trendplot display to
plot at the top or bottom edge of the plot area without making an amplitude
adjustment when the input signal exceeds the limits of the Meter’s range.
2. With the Meter taking measurements, press J.
3. Press the TREND PLOT soft key to start the session.
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